GeezerVison is showing github.com — TypeScriptToLua/test/setup.ts at master · TypeScriptToLua/TypeScriptToLua

Expand file tree

setup.ts

Copy path

More file actions

Latest commit

History

48 lines (41 loc) · 1.72 KB

setup.ts

Copy path

File metadata and controls

48 lines (41 loc) · 1.72 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

import * as assert from "assert";

import * as ts from "typescript";

import * as tstl from "../src";

declare global {

namespace jest {

// eslint-disable-next-line @typescript-eslint/naming-convention

interface Matchers<R, T> {

toHaveDiagnostics(expected?: number[]): R;

}

expect.extend({

toHaveDiagnostics(diagnostics: ts.Diagnostic[], expected?: number[]): jest.CustomMatcherResult {

assert.ok(Array.isArray(diagnostics));

// @ts-ignore

const matcherHint = this.utils.matcherHint("toHaveDiagnostics", undefined, "", this);

const diagnosticMessages = ts.formatDiagnosticsWithColorAndContext(

diagnostics.map(tstl.prepareDiagnosticForFormatting),

{ getCurrentDirectory: () => "", getCanonicalFileName: fileName => fileName, getNewLine: () => "\n" }

);

if (this.isNot && expected !== undefined) {

throw new Error("expect(actual).not.toHaveDiagnostics(expected) is not supported");

}

return {

pass: expected

? diagnostics.length === expected.length &&

diagnostics.every((diag, index) => diag.code === expected[index])

: diagnostics.length > 0,

message: () => {

const message = this.isNot

? diagnosticMessages

: expected

? `Expected:\n${expected.join("\n")}\nReceived:\n${diagnostics

.map(diag => diag.code)

.join("\n")}\n\n${diagnosticMessages}\n`

: `Received: ${this.utils.printReceived([])}\n`;

return matcherHint + "\n\n" + message;

};

});